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Atago  
Initial Operational Capability (IOC): March 2007
Total Production: 4
Also Known As: DDG 177
Origin: Japan
Corporations: Mitsubishi Heavy Industries
Parent System: Kongo
Initial Operational Capability (IOC): 1993
Total Production: 8
Family Members: Kongo
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Description: The Japan Marine Self Defense Force (JMSDF) Kongo-class destroyers, also known as Kongou or DDG 173, have been designed to provide extended air defense against advanced air breathing and ballistic threats. They feature reduced radar cross section, stealth design, for improved survivability and AEGIS weapon system. The Kongo-class design is strongly influenced by the US Navy's combat proven DDG-51 class destroyers. The class is expected to consists from six to eight ships assuming a leading role in the fleet until 2020.

The JMSDF commissioned four Kongo-class destroyers in the 1990s with another two/four improved destroyers, named Atago, to be commissioned by 2010. Overall, Kongo-class destroyers are the larger and most capable surface fighting ships in the JMSDF fleet. According to Japan's National Defense Program Guidelines of 2007, the JMSDF is required to possess eight destroyer units for mobile operations with each unit consisting of four vessels. Three of these vessels are multi-role destroyers (DD) and the fourth is an Aegis-equipped ship (DDG).

The Atago-class destroyers are an improved version of Kongo-class destroyers incorporating an aft helicopter hangar and the AN/SQQ-89 underwater warfare system. These ships were procured as a second batch of destroyers with the lead ship commissioned by the JMSDF in 2006. The propulsion system comprises two shafts and four LM2500 gas turbines developing 100,000-shp. This 7,700t class ship can achieve a top speed of 30 knots. Atago-class destroyers are provided with a large aft flight deck and hangar allowing for operation of two anti-submarine warfare (ASW) or patrol helicopters.

The Atago-class destroyers integrate the complete AEGIS-weapon system including a 90-cell (1x61-cell and 1x29-cell) Mk 41 strike length vertical launching system (VLS) and four AN/SPY-1D multifunction radar antennas. The Standard SM-2 Block IIIA surface-to-air missiles are intended to engage airborne threats. RGM-84 Harpoon and VLA (Vertical Launch ASROC) are intended to engage ships and submarines respectively. The weapon system also includes a 5-inch (127mm) naval gun with reduced radar cross section, two 20mm Phalanx close-in weapon systems and two tripe 12.75-in torpedo tubes.

Atago Specifications

Crew: 300
Number of Weapons: 98
Torpedo Tubes: 6
Dimensions
Beam: 21 meter (69 foot)
Draft: 6.20 meter (20.3 foot)
Length: 165 meter (541 foot)
Main Gun Caliber: 127 millimeter
Power
Total Combined Power: 100,000 shp (75 MW)
Speed
Top Speed: 30 knot (15.4 mps)
Weight
Full Displacement: 7,750 ton
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

Atago News

There are 4 news between
10 Dec 2012 and 15 Aug 2016
Monday, August 15, 2016South Korea and Japan Destroyers Get Aegis Ballistic Missile Defense Capability
Tuesday, July 19, 2016FMS: Japan Requests Sale of 246 SM-2 Block IIIB Standard Missiles
Friday, August 7, 2015FMS: Japan Wants AEGIS Weapon Systems to Equip Two 27DD Destroyers
Monday, December 10, 2012FMS: Japan Wants Upgraded Aegis for Atago-Class Destroyers

Operators & Related Equipment


OperatorsItems
Japan4
YearHoldings
Jan 20142
20112

Grand Total 41
Cannons & Gear
127/64 Lightweightx1
Mk 41 Strike Lengthx2
Defensive Weapons
RUM-139 VL ASROC
Standard SM-2 Block IIIBx90
Offensive Weapons
RGM-84D Harpoonx8
Propulsion Systems
LM2500x4
Protection Systems
AEGISx1
Aegis BMDx1
AN/SLQ-25A SSTDx1
AN/SQQ-89x1
Mk 15 Phalanx Block 1Bx2
Sensor Systems
AN/SPY-1Dx4
Support Aircraft
SH-60Jx2

Atago Ship Listing


SerialNameStatusLaunch DateCommissionDecommission
DD177 Atago-Mar 2007-
DD178 Ashigara-Mar 2008-
DD179 -2018-
DD180 -2020-

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